Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Fluorite Quartz Sphalerite & Ankerite

Views:
Watches:
PCZ509189

Fluorite Quartz Sphalerite & Ankerite

Pseudomorph

Description Tabs

Description
Locality: 
Rampgill Mine, Nenthead, Cumbria, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4 × 1.2 cm
Description

A great specimen featuring hollow epimorphs of sparkling quartz after cubic fluorite crystals which have at some point been dissolved out. Scattered over these are black sphalerite crystals. The specimen also exhibits numerous ankerite crystals.

Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria
Item Toolbox